Brother HL-3400CN Series - Manual (Page 249)

APPENDICES
A–9
Signal Description
Pin No. Signal Name IN/OUT Explanation
1 DATA STROBE IN Data is latched at the leading edge of this
signal.
2 - 9 DATA 0 - 7 IN Parallel 8 bit data
10 ACKNLG OUT Data reception is completed and the printer is
ready for the next data reception when this
signal becomes low.
11 BUSY OUT The printer cannot receive data when this
signal is high. The signal becomes high under
data receiving, off-line, or error states.
12 PE OUT This signal becomes high when a paper
empty state is detected.
13 SLCT OUT This signal becomes high when the printer is
selected and low when it is deselected.
14 AUTO FEED IN This signal is used only for the bi-directional
interface.
31 INPUT PRIME IN This signal is used only for the bi-directional
interface.
32 FAULT OUT This signal becomes low when the printer is
in the paper empty, off-line, or error states.
36 SLCT IN IN This signal is used only for the bi-directional
interface.